RA/DEC (2000)
00:53:00.855 +50:20:35.83
13.2535615 +50.3432875
Type
SN Ia
Redshift
0.020874
Discovery ReportClassification Report
Reporting Group
None
Discovering Data Source
None
Discovery Date
2026-05-04 20:07:58.368
TNS AT
Y
Public
Y
Host Name
LEDA 166393
Host Redshift
0.021049
Discovery Mag
16.56
Filter
Clear-
Reporter/s
Ziyang Mai, Jiaze Fu
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2026ljo - 2026-06-10 10:35:00 P60 / SEDM (ZTF)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
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▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌P48_ZTF-Cam_r
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
23994 2026-06-10 10:35:00 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026ljo_2026-06-10_10-35-00.250858_P60_SEDM_ZTF.ascii Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2026-05-03 12:01:21 - 2026-05-07 12:00:28 2461164.0009375 - 2461168.0003241 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
580155 2026-05-07 12:00:28 2461168.0003241 17.04 0.0730935 ABMag r-ZTF P48_ZTF-Cam
580154 2026-05-03 12:01:21 2461164.0009375 16.8036 0.0339135 ABMag r-ZTF P48_ZTF-Cam
orange-ATLAS ATLAS-MLO_ATLAS-01 2026-05-25 14:41:57 - 2026-05-27 14:05:04 2461186.11247 - 2461188.08685 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
587687 2026-05-27 14:05:04 2461188.08685 17.786 0.066 19.27 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
587686 2026-05-25 14:41:57 2461186.11247 18.58 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
Clear- Other_Other 2026-05-04 20:07:58 - 2026-05-04 20:07:58 2461165.33887 - 2461165.33887 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
579538 2026-05-04 20:07:58 2461165.33887 16.56 VegaMag Clear- Other_Other 120 Observations were made using 0.3-m F/4 reflector at at Sumdo Observatory in Qinghai, China.
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
306408 2026-05-28 08:22:59 ATLAS_Bot1 J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al. ATLAS ATLAS 00:53:00.846 +50:20:35.56 2026-05-27 14:05:03.840 17.786 orange-ATLAS PSN ATLAS26gky ATLAS N
302600 2026-05-07 17:33:18 Fritz Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al. ZTF ZTF 00:53:00.855 +50:20:35.83 2026-05-03 12:01:21.000 16.8036 r-ZTF PSN ZTF26aautvcf ZTF N
302305 2026-05-05 07:27:01 Ziyang Mai Ziyang Mai, Jiaze Fu 00:53:00.820 +50:20:35.90 2026-05-04 20:07:58.368 16.56 Clear- PSN LEDA 166393 Possible SN in LEDA 166393. 2026TNSTR1942....1M N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
23988 2026-06-10 16:21:47 ZTF_Bot1 J. Johansson, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF SN Ia 0.020874 1 ZTF 2026TNSCR2437....1J
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
23994 2026-06-10 10:35:00 P60 / SEDM 2700 SEDmRobot auto ZTF tns_2026ljo_2026-06-10_10-35-00.250858_P60_SEDM_ZTF.ascii Object

Comments

TNS
System

Thu, 05/07/2026 - 17:33

Object coordinates updated

Object coordinates updated according to AT-report 302600 of Group ZTF
Previous RA, DEC: 00:53:00.820, +50:20:35.90 (13.253417, +50.343306)
Updated RA, DEC: 00:53:00.855, +50:20:35.83 (13.2535615, +50.3432875)